In the period between April and June this year, 141,000 Romanians and Bulgarians were employed in Britain - which is in itself an increase of nearly 26% from the previous three months total of 112,000.

The figures represent a 35% rise from the same time last year.

The rise comes BEFORE EU rules are relaxed at the start of next year, meaning migrants will have even more job options open to them.

Sir Andrew Green, chairman of Migration Watch UK, said: "This increase of just over a third in Romanian and Bulgarian workers in the UK over the past year is a sharp increase on the previous trend.

"It suggests that still larger numbers will arrive next year when our labour market is fully open to them.

The government has refused to predict the number of migrants expected to flood to the UK next year

“This increase of just over a third in Romanian and Bulgarian workers in the UK over the past year is a sharp increase on the previous trend”

Sir Andrew Green, Migration Watch UK

"This is consistent with our central estimate that net migration from Romania and Bulgaria will run at about 50,000 a year for the next five years."

The figures will prove to be another headache for the government, who have so far refused to put a figure on the number of people it expects to come to the UK when the labour market becomes fully open to the two countries.